Siever, by the way, isn't necessarily the best option; if there are many people, that means there's a lot of equipment – as I said, it all comes down to quality!)) For example, you can set up a factory where 500 people work and produce 1 tank in 5 days (FOR EXAMPLE!), or you can create an automated workshop where 5 people work and produce a tank in 3 days. Which is more profitable and better?))
Where do we end up when we save the world?